The Cochrane Collaboration's tool for assessing risk of bias in randomised trials

BMJ. 2011 Oct 18:343:d5928. doi: 10.1136/bmj.d5928.


Flaws in the design, conduct, analysis, and reporting of randomised trials can cause the effect of an intervention to be underestimated or overestimated. The Cochrane Collaboration’s tool for assessing risk of bias aims to make the process clearer and more accurate

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Bias
  • Humans
  • Randomized Controlled Trials as Topic / standards*
  • Research Design
  • Risk Assessment